2 * Copyright (c) 2014 - 2018 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License
18 * @author Bartlomiej Grzelewski (b.grzelewski@samsung.com)
20 * @brief Sample service implementation.
22 #include <dpl/serialization.h>
23 #include <dpl/log/log.h>
24 #include <ckm/ckm-error.h>
25 #include <ckm/ckm-type.h>
26 #include <key-provider.h>
27 #include <file-system.h>
28 #include <ckm-logic.h>
30 #include <key-aes-impl.h>
31 #include <certificate-config.h>
32 #include <certificate-store.h>
34 #include <sw-backend/store.h>
35 #include <generic-backend/exception.h>
36 #include <ss-migrate.h>
39 const char *const CERT_SYSTEM_DIR = CA_CERTS_DIR;
40 const char *const SYSTEM_DB_PASSWD = "cAtRugU7";
42 bool isClientValid(const CKM::ClientId &client)
44 if (client.find(CKM::ALIAS_SEPARATOR) != CKM::ClientId::npos)
50 bool isNameValid(const CKM::Name &name)
52 if (name.find(CKM::ALIAS_SEPARATOR) != CKM::Name::npos)
58 } // anonymous namespace
62 const uid_t CKMLogic::SYSTEM_DB_UID = 0;
63 const uid_t CKMLogic::ADMIN_USER_DB_UID = 5001;
67 CertificateConfig::addSystemCertificateDir(CERT_SYSTEM_DIR);
69 m_accessControl.updateCCMode();
72 CKMLogic::~CKMLogic() {}
74 void CKMLogic::loadDKEKFile(uid_t user, const Password &password)
76 auto &handle = m_userDataMap[user];
80 auto wrappedDKEK = fs.getDKEK();
82 if (wrappedDKEK.empty()) {
83 wrappedDKEK = KeyProvider::generateDomainKEK(std::to_string(user), password);
84 fs.saveDKEK(wrappedDKEK);
87 handle.keyProvider = KeyProvider(wrappedDKEK, password);
90 void CKMLogic::saveDKEKFile(uid_t user, const Password &password)
92 auto &handle = m_userDataMap[user];
95 fs.saveDKEK(handle.keyProvider.getWrappedDomainKEK(password));
98 void CKMLogic::migrateSecureStorageData(bool isAdminUser)
100 SsMigration::migrate(isAdminUser, [this](const std::string &name,
101 const Crypto::Data &data,
102 bool adminUserFlag) {
103 LogInfo("Migrate data called with name: " << name);
104 auto ownerId = adminUserFlag ? CLIENT_ID_ADMIN_USER : CLIENT_ID_SYSTEM;
105 auto uid = adminUserFlag ? ADMIN_USER_DB_UID : SYSTEM_DB_UID;
107 int ret = verifyAndSaveDataHelper(Credentials(uid, ownerId), name, ownerId, data,
108 PolicySerializable());
110 if (ret == CKM_API_ERROR_DB_ALIAS_EXISTS)
111 LogWarning("Alias already exist for migrated name: " << name);
112 else if (ret != CKM_API_SUCCESS)
113 LogError("Failed to migrate secure-storage data. name: " << name <<
118 int CKMLogic::unlockDatabase(uid_t user, const Password &password)
120 if (0 < m_userDataMap.count(user) &&
121 m_userDataMap[user].keyProvider.isInitialized())
122 return CKM_API_SUCCESS;
124 int retCode = CKM_API_SUCCESS;
127 auto &handle = m_userDataMap[user];
130 loadDKEKFile(user, password);
132 auto wrappedDatabaseDEK = fs.getDBDEK();
134 if (wrappedDatabaseDEK.empty()) {
135 wrappedDatabaseDEK = handle.keyProvider.generateDEK(std::to_string(user));
136 fs.saveDBDEK(wrappedDatabaseDEK);
139 RawBuffer key = handle.keyProvider.getPureDEK(wrappedDatabaseDEK);
141 handle.database = DB::Crypto(fs.getDBPath(), key);
142 handle.crypto = CryptoLogic();
144 if (!m_accessControl.isSystemService(user)) {
145 // remove data of removed apps during locked state
146 ClientIdVector removedApps = fs.clearRemovedsApps();
148 for (auto &app : removedApps) {
149 handle.crypto.removeKey(app);
150 handle.database.deleteKey(app);
154 if (user == SYSTEM_DB_UID && SsMigration::hasData())
155 migrateSecureStorageData(false);
156 else if (user == ADMIN_USER_DB_UID && SsMigration::hasData())
157 migrateSecureStorageData(true);
158 } catch (const Exc::Exception &e) {
160 } catch (const CKM::Exception &e) {
161 LogError("CKM::Exception: " << e.GetMessage());
162 retCode = CKM_API_ERROR_SERVER_ERROR;
165 if (CKM_API_SUCCESS != retCode)
166 m_userDataMap.erase(user);
171 int CKMLogic::unlockSystemDB()
173 return unlockDatabase(SYSTEM_DB_UID, SYSTEM_DB_PASSWD);
176 UserData &CKMLogic::selectDatabase(const Credentials &cred,
177 const ClientId &explicitOwner)
179 // if user trying to access system service - check:
180 // * if user database is unlocked [mandatory]
181 // * if not - proceed with regular user database
182 // * if explicit system database owner given -> switch to system DB
183 if (!m_accessControl.isSystemService(cred)) {
184 if (0 == m_userDataMap.count(cred.clientUid))
185 ThrowErr(Exc::DatabaseLocked, "database with UID: ", cred.clientUid, " locked");
187 if (0 != explicitOwner.compare(CLIENT_ID_SYSTEM))
188 return m_userDataMap[cred.clientUid];
191 // system database selected, modify the owner id
192 if (CKM_API_SUCCESS != unlockSystemDB())
193 ThrowErr(Exc::DatabaseLocked, "can not unlock system database");
195 return m_userDataMap[SYSTEM_DB_UID];
198 RawBuffer CKMLogic::unlockUserKey(uid_t user, const Password &password)
200 int retCode = CKM_API_SUCCESS;
202 if (!m_accessControl.isSystemService(user))
203 retCode = unlockDatabase(user, password);
204 else // do not allow lock/unlock operations for system users
205 retCode = CKM_API_ERROR_INPUT_PARAM;
207 return MessageBuffer::Serialize(retCode).Pop();
210 RawBuffer CKMLogic::updateCCMode()
212 m_accessControl.updateCCMode();
213 return MessageBuffer::Serialize(CKM_API_SUCCESS).Pop();
216 RawBuffer CKMLogic::lockUserKey(uid_t user)
218 int retCode = CKM_API_SUCCESS;
220 if (!m_accessControl.isSystemService(user))
221 m_userDataMap.erase(user);
222 else // do not allow lock/unlock operations for system users
223 retCode = CKM_API_ERROR_INPUT_PARAM;
225 return MessageBuffer::Serialize(retCode).Pop();
228 RawBuffer CKMLogic::removeUserData(uid_t user)
230 int retCode = CKM_API_SUCCESS;
232 if (m_accessControl.isSystemService(user))
233 user = SYSTEM_DB_UID;
235 m_userDataMap.erase(user);
240 return MessageBuffer::Serialize(retCode).Pop();
243 int CKMLogic::changeUserPasswordHelper(uid_t user,
244 const Password &oldPassword,
245 const Password &newPassword)
247 // do not allow to change system database password
248 if (m_accessControl.isSystemService(user))
249 return CKM_API_ERROR_INPUT_PARAM;
251 loadDKEKFile(user, oldPassword);
252 saveDKEKFile(user, newPassword);
254 return CKM_API_SUCCESS;
257 RawBuffer CKMLogic::changeUserPassword(
259 const Password &oldPassword,
260 const Password &newPassword)
262 int retCode = CKM_API_SUCCESS;
265 retCode = changeUserPasswordHelper(user, oldPassword, newPassword);
266 } catch (const Exc::Exception &e) {
268 } catch (const CKM::Exception &e) {
269 LogError("CKM::Exception: " << e.GetMessage());
270 retCode = CKM_API_ERROR_SERVER_ERROR;
273 return MessageBuffer::Serialize(retCode).Pop();
276 int CKMLogic::resetUserPasswordHelper(
278 const Password &newPassword)
280 // do not allow to reset system database password
281 if (m_accessControl.isSystemService(user))
282 return CKM_API_ERROR_INPUT_PARAM;
284 int retCode = CKM_API_SUCCESS;
286 if (0 == m_userDataMap.count(user)) {
287 // Check if key exists. If exists we must return error
289 auto wrappedDKEKMain = fs.getDKEK();
291 if (!wrappedDKEKMain.empty())
292 retCode = CKM_API_ERROR_BAD_REQUEST;
294 saveDKEKFile(user, newPassword);
300 RawBuffer CKMLogic::resetUserPassword(
302 const Password &newPassword)
304 int retCode = CKM_API_SUCCESS;
307 retCode = resetUserPasswordHelper(user, newPassword);
308 } catch (const Exc::Exception &e) {
310 } catch (const CKM::Exception &e) {
311 LogError("CKM::Exception: " << e.GetMessage());
312 retCode = CKM_API_ERROR_SERVER_ERROR;
315 return MessageBuffer::Serialize(retCode).Pop();
318 RawBuffer CKMLogic::removeApplicationData(const ClientId &owner)
320 int retCode = CKM_API_SUCCESS;
324 retCode = CKM_API_ERROR_INPUT_PARAM;
326 UidVector uids = FileSystem::getUIDsFromDBFile();
328 for (auto userId : uids) {
329 if (0 == m_userDataMap.count(userId)) {
330 FileSystem fs(userId);
331 fs.addRemovedApp(owner);
333 auto &handle = m_userDataMap[userId];
334 handle.crypto.removeKey(owner);
335 handle.database.deleteKey(owner);
339 } catch (const Exc::Exception &e) {
341 } catch (const CKM::Exception &e) {
342 LogError("CKM::Exception: " << e.GetMessage());
343 retCode = CKM_API_ERROR_SERVER_ERROR;
346 return MessageBuffer::Serialize(retCode).Pop();
349 int CKMLogic::checkSaveConditions(
350 const Credentials &accessorCred,
353 const ClientId &owner)
355 // verify name and client are correct
356 if (!isNameValid(name) || !isClientValid(owner)) {
357 LogDebug("Invalid parameter passed to key-manager");
358 return CKM_API_ERROR_INPUT_PARAM;
361 // check if accessor is allowed to save owner's items
362 int access_ec = m_accessControl.canSave(accessorCred, owner);
364 if (access_ec != CKM_API_SUCCESS) {
365 LogDebug("accessor " << accessorCred.client << " can not save rows owned by " <<
370 // check if not a duplicate
371 if (handler.database.isNameOwnerPresent(name, owner))
372 return CKM_API_ERROR_DB_ALIAS_EXISTS;
374 // encryption section
375 if (!handler.crypto.haveKey(owner)) {
377 auto key_optional = handler.database.getKey(owner);
380 LogDebug("No Key in database found. Generating new one for client: " <<
382 got_key = handler.keyProvider.generateDEK(owner);
383 handler.database.saveKey(owner, got_key);
385 LogDebug("Key from DB");
386 got_key = *key_optional;
389 got_key = handler.keyProvider.getPureDEK(got_key);
390 handler.crypto.pushKey(owner, got_key);
393 return CKM_API_SUCCESS;
396 DB::Row CKMLogic::createEncryptedRow(
399 const ClientId &owner,
400 const Crypto::Data &data,
401 const Policy &policy) const
403 Crypto::GStore &store = m_decider.getStore(data.type, policy);
405 // do not encrypt data with password during cc_mode on
406 Token token = store.import(data,
407 m_accessControl.isCCMode() ? "" : policy.password,
408 Crypto::EncryptionParams());
409 DB::Row row(std::move(token), name, owner,
410 static_cast<int>(policy.extractable));
411 crypto.encryptRow(row);
415 int CKMLogic::verifyBinaryData(Crypto::Data &input) const
418 return toBinaryData(input, dummy);
421 int CKMLogic::toBinaryData(const Crypto::Data &input,
422 Crypto::Data &output) const
424 // verify the data integrity
425 if (input.type.isKey()) {
428 if (input.type.isSKey())
429 output_key = CKM::Key::createAES(input.data);
431 output_key = CKM::Key::create(input.data);
433 if (output_key.get() == NULL) {
434 LogDebug("provided binary data is not valid key data");
435 return CKM_API_ERROR_INPUT_PARAM;
438 output = std::move(Crypto::Data(input.type, output_key->getDER()));
439 } else if (input.type.isCertificate() || input.type.isChainCert()) {
440 CertificateShPtr cert = CKM::Certificate::create(input.data,
441 DataFormat::FORM_DER);
443 if (cert.get() == NULL) {
444 LogDebug("provided binary data is not valid certificate data");
445 return CKM_API_ERROR_INPUT_PARAM;
448 output = std::move(Crypto::Data(input.type, cert->getDER()));
453 // TODO: add here BINARY_DATA verification, i.e: max size etc.
454 return CKM_API_SUCCESS;
457 int CKMLogic::verifyAndSaveDataHelper(
458 const Credentials &cred,
460 const ClientId &explicitOwner,
461 const Crypto::Data &data,
462 const PolicySerializable &policy)
464 int retCode = CKM_API_ERROR_UNKNOWN;
467 // check if data is correct
468 Crypto::Data binaryData;
469 retCode = toBinaryData(data, binaryData);
471 if (retCode != CKM_API_SUCCESS)
474 return saveDataHelper(cred, name, explicitOwner, binaryData, policy);
475 } catch (const Exc::Exception &e) {
477 } catch (const CKM::Exception &e) {
478 LogError("CKM::Exception: " << e.GetMessage());
479 return CKM_API_ERROR_SERVER_ERROR;
483 int CKMLogic::getKeyForService(
484 const Credentials &cred,
486 const ClientId &explicitOwner,
487 const Password &pass,
488 Crypto::GObjShPtr &key)
491 // Key is for internal service use. It won't be exported to the client
492 Crypto::GObjUPtr obj;
493 int retCode = readDataHelper(false, cred, DataType::DB_KEY_FIRST, name, explicitOwner,
496 if (retCode == CKM_API_SUCCESS)
497 key = std::move(obj);
500 } catch (const Exc::Exception &e) {
502 } catch (const CKM::Exception &e) {
503 LogError("CKM::Exception: " << e.GetMessage());
504 return CKM_API_ERROR_SERVER_ERROR;
508 RawBuffer CKMLogic::saveData(
509 const Credentials &cred,
512 const ClientId &explicitOwner,
513 const Crypto::Data &data,
514 const PolicySerializable &policy)
516 int retCode = verifyAndSaveDataHelper(cred, name, explicitOwner, data, policy);
517 auto response = MessageBuffer::Serialize(static_cast<int>(LogicCommand::SAVE),
520 static_cast<int>(data.type));
521 return response.Pop();
524 int CKMLogic::extractPKCS12Data(
527 const ClientId &owner,
528 const PKCS12Serializable &pkcs,
529 const PolicySerializable &keyPolicy,
530 const PolicySerializable &certPolicy,
531 DB::RowVector &output) const
533 // private key is mandatory
534 auto key = pkcs.getKey();
537 LogError("Failed to get private key from pkcs");
538 return CKM_API_ERROR_INVALID_FORMAT;
541 Crypto::Data keyData(DataType(key->getType()), key->getDER());
542 int retCode = verifyBinaryData(keyData);
544 if (retCode != CKM_API_SUCCESS)
547 output.push_back(createEncryptedRow(crypto, name, owner, keyData,
550 // certificate is mandatory
551 auto cert = pkcs.getCertificate();
554 LogError("Failed to get certificate from pkcs");
555 return CKM_API_ERROR_INVALID_FORMAT;
558 Crypto::Data certData(DataType::CERTIFICATE, cert->getDER());
559 retCode = verifyBinaryData(certData);
561 if (retCode != CKM_API_SUCCESS)
564 output.push_back(createEncryptedRow(crypto, name, owner, certData,
568 unsigned int cert_index = 0;
570 for (const auto &ca : pkcs.getCaCertificateShPtrVector()) {
571 Crypto::Data caCertData(DataType::getChainDatatype(cert_index ++),
573 int retCode = verifyBinaryData(caCertData);
575 if (retCode != CKM_API_SUCCESS)
578 output.push_back(createEncryptedRow(crypto, name, owner, caCertData,
582 return CKM_API_SUCCESS;
585 RawBuffer CKMLogic::savePKCS12(
586 const Credentials &cred,
589 const ClientId &explicitOwner,
590 const PKCS12Serializable &pkcs,
591 const PolicySerializable &keyPolicy,
592 const PolicySerializable &certPolicy)
594 int retCode = CKM_API_ERROR_UNKNOWN;
597 retCode = saveDataHelper(cred, name, explicitOwner, pkcs, keyPolicy, certPolicy);
598 } catch (const Exc::Exception &e) {
600 } catch (const CKM::Exception &e) {
601 LogError("CKM::Exception: " << e.GetMessage());
602 retCode = CKM_API_ERROR_SERVER_ERROR;
605 auto response = MessageBuffer::Serialize(static_cast<int>
606 (LogicCommand::SAVE_PKCS12),
609 return response.Pop();
613 int CKMLogic::removeDataHelper(
614 const Credentials &cred,
616 const ClientId &explicitOwner)
618 auto &handler = selectDatabase(cred, explicitOwner);
620 // use client id if not explicitly provided
621 const ClientId &owner = explicitOwner.empty() ? cred.client : explicitOwner;
623 if (!isNameValid(name) || !isClientValid(owner)) {
624 LogDebug("Invalid owner or name format");
625 return CKM_API_ERROR_INPUT_PARAM;
628 DB::Crypto::Transaction transaction(&handler.database);
630 // read and check permissions
631 PermissionMaskOptional permissionRowOpt =
632 handler.database.getPermissionRow(name, owner, cred.client);
633 int retCode = m_accessControl.canDelete(cred,
634 toPermissionMask(permissionRowOpt));
636 if (retCode != CKM_API_SUCCESS) {
637 LogWarning("access control check result: " << retCode);
641 // get all matching rows
643 handler.database.getRows(name, owner, DataType::DB_FIRST,
644 DataType::DB_LAST, rows);
647 LogDebug("No row for given name and owner");
648 return CKM_API_ERROR_DB_ALIAS_UNKNOWN;
651 // load app key if needed
652 retCode = loadAppKey(handler, rows.front().owner);
654 if (CKM_API_SUCCESS != retCode)
657 // destroy it in store
658 for (auto &r : rows) {
660 handler.crypto.decryptRow(Password(), r);
661 m_decider.getStore(r).destroy(r);
662 } catch (const Exc::AuthenticationFailed &) {
663 LogDebug("Authentication failed when removing data. Ignored.");
668 handler.database.deleteRow(name, owner);
669 transaction.commit();
671 return CKM_API_SUCCESS;
674 RawBuffer CKMLogic::removeData(
675 const Credentials &cred,
678 const ClientId &explicitOwner)
680 int retCode = CKM_API_ERROR_UNKNOWN;
683 retCode = removeDataHelper(cred, name, explicitOwner);
684 } catch (const Exc::Exception &e) {
686 } catch (const CKM::Exception &e) {
687 LogError("Error: " << e.GetMessage());
688 retCode = CKM_API_ERROR_DB_ERROR;
691 auto response = MessageBuffer::Serialize(static_cast<int>(LogicCommand::REMOVE),
694 return response.Pop();
697 int CKMLogic::readSingleRow(const Name &name,
698 const ClientId &owner,
700 DB::Crypto &database,
703 DB::Crypto::RowOptional row_optional;
705 if (dataType.isKey()) {
706 // read all key types
707 row_optional = database.getRow(name,
709 DataType::DB_KEY_FIRST,
710 DataType::DB_KEY_LAST);
712 // read anything else
713 row_optional = database.getRow(name,
719 LogDebug("No row for given name, owner and type");
720 return CKM_API_ERROR_DB_ALIAS_UNKNOWN;
725 return CKM_API_SUCCESS;
729 int CKMLogic::readMultiRow(const Name &name,
730 const ClientId &owner,
732 DB::Crypto &database,
733 DB::RowVector &output)
735 if (dataType.isKey())
736 // read all key types
737 database.getRows(name,
739 DataType::DB_KEY_FIRST,
740 DataType::DB_KEY_LAST,
742 else if (dataType.isChainCert())
743 // read all key types
744 database.getRows(name,
746 DataType::DB_CHAIN_FIRST,
747 DataType::DB_CHAIN_LAST,
750 // read anything else
751 database.getRows(name,
756 if (!output.size()) {
757 LogDebug("No row for given name, owner and type");
758 return CKM_API_ERROR_DB_ALIAS_UNKNOWN;
761 return CKM_API_SUCCESS;
764 int CKMLogic::checkDataPermissionsHelper(const Credentials &accessorCred,
766 const ClientId &owner,
769 DB::Crypto &database)
771 PermissionMaskOptional permissionRowOpt =
772 database.getPermissionRow(name, owner, accessorCred.client);
775 return m_accessControl.canExport(accessorCred,
777 toPermissionMask(permissionRowOpt));
779 return m_accessControl.canRead(accessorCred,
780 toPermissionMask(permissionRowOpt));
783 Crypto::GObjUPtr CKMLogic::rowToObject(
786 const Password &password)
788 Crypto::GStore &store = m_decider.getStore(row);
790 Password pass = m_accessControl.isCCMode() ? "" : password;
793 Crypto::GObjUPtr obj;
795 if (CryptoLogic::getSchemeVersion(row.encryptionScheme) ==
796 CryptoLogic::ENCRYPTION_V2) {
797 handler.crypto.decryptRow(Password(), row);
799 obj = store.getObject(row, pass);
801 // decrypt entirely with old scheme: b64(pass(appkey(data))) -> data
802 handler.crypto.decryptRow(pass, row);
803 // destroy it in store
806 // import it to store with new scheme: data -> pass(data)
807 Token token = store.import(Crypto::Data(row.dataType, row.data), pass, Crypto::EncryptionParams());
809 // get it from the store (it can be different than the data we imported into store)
810 obj = store.getObject(token, pass);
812 // update row with new token
813 *static_cast<Token *>(&row) = std::move(token);
815 // encrypt it with app key: pass(data) -> b64(appkey(pass(data))
816 handler.crypto.encryptRow(row);
819 handler.database.updateRow(row);
825 int CKMLogic::readDataHelper(
827 const Credentials &cred,
830 const ClientId &explicitOwner,
831 const Password &password,
832 Crypto::GObjUPtrVector &objs)
834 auto &handler = selectDatabase(cred, explicitOwner);
836 // use client id if not explicitly provided
837 const ClientId &owner = explicitOwner.empty() ? cred.client : explicitOwner;
839 if (!isNameValid(name) || !isClientValid(owner))
840 return CKM_API_ERROR_INPUT_PARAM;
843 DB::Crypto::Transaction transaction(&handler.database);
845 int retCode = readMultiRow(name, owner, dataType, handler.database, rows);
847 if (CKM_API_SUCCESS != retCode)
850 // all read rows belong to the same owner
851 DB::Row &firstRow = rows.at(0);
853 // check access rights
854 retCode = checkDataPermissionsHelper(cred, name, owner, firstRow,
855 exportFlag, handler.database);
857 if (CKM_API_SUCCESS != retCode)
860 // load app key if needed
861 retCode = loadAppKey(handler, firstRow.owner);
863 if (CKM_API_SUCCESS != retCode)
867 for (auto &row : rows)
868 objs.push_back(rowToObject(handler, std::move(row), password));
870 // rowToObject may modify db
871 transaction.commit();
873 return CKM_API_SUCCESS;
876 int CKMLogic::readDataHelper(
878 const Credentials &cred,
881 const ClientId &explicitOwner,
882 const Password &password,
883 Crypto::GObjUPtr &obj)
885 DataType objDataType;
886 return readDataHelper(exportFlag, cred, dataType, name, explicitOwner,
887 password, obj, objDataType);
890 int CKMLogic::readDataHelper(
892 const Credentials &cred,
895 const ClientId &explicitOwner,
896 const Password &password,
897 Crypto::GObjUPtr &obj,
898 DataType &objDataType)
900 auto &handler = selectDatabase(cred, explicitOwner);
902 // use client id if not explicitly provided
903 const ClientId &owner = explicitOwner.empty() ? cred.client : explicitOwner;
905 if (!isNameValid(name) || !isClientValid(owner))
906 return CKM_API_ERROR_INPUT_PARAM;
909 DB::Crypto::Transaction transaction(&handler.database);
911 int retCode = readSingleRow(name, owner, dataType, handler.database, row);
913 if (CKM_API_SUCCESS != retCode)
916 objDataType = row.dataType;
918 // check access rights
919 retCode = checkDataPermissionsHelper(cred, name, owner, row, exportFlag,
922 if (CKM_API_SUCCESS != retCode)
925 // load app key if needed
926 retCode = loadAppKey(handler, row.owner);
928 if (CKM_API_SUCCESS != retCode)
931 obj = rowToObject(handler, std::move(row), password);
932 // rowToObject may modify db
933 transaction.commit();
935 return CKM_API_SUCCESS;
938 RawBuffer CKMLogic::getData(
939 const Credentials &cred,
943 const ClientId &explicitOwner,
944 const Password &password)
946 int retCode = CKM_API_SUCCESS;
948 DataType objDataType;
951 Crypto::GObjUPtr obj;
952 retCode = readDataHelper(true, cred, dataType, name, explicitOwner,
953 password, obj, objDataType);
955 if (retCode == CKM_API_SUCCESS)
956 rowData = obj->getBinary();
957 } catch (const Exc::Exception &e) {
959 } catch (const CKM::Exception &e) {
960 LogError("CKM::Exception: " << e.GetMessage());
961 retCode = CKM_API_ERROR_SERVER_ERROR;
964 if (CKM_API_SUCCESS != retCode)
967 auto response = MessageBuffer::Serialize(static_cast<int>(LogicCommand::GET),
970 static_cast<int>(objDataType),
972 return response.Pop();
975 int CKMLogic::getPKCS12Helper(
976 const Credentials &cred,
978 const ClientId &explicitOwner,
979 const Password &keyPassword,
980 const Password &certPassword,
982 CertificateShPtr &cert,
983 CertificateShPtrVector &caChain)
987 // read private key (mandatory)
988 Crypto::GObjUPtr keyObj;
989 retCode = readDataHelper(true, cred, DataType::DB_KEY_FIRST, name, explicitOwner,
990 keyPassword, keyObj);
992 if (retCode != CKM_API_SUCCESS) {
993 if (retCode != CKM_API_ERROR_NOT_EXPORTABLE)
996 privKey = CKM::Key::create(keyObj->getBinary());
999 // read certificate (mandatory)
1000 Crypto::GObjUPtr certObj;
1001 retCode = readDataHelper(true, cred, DataType::CERTIFICATE, name, explicitOwner,
1002 certPassword, certObj);
1004 if (retCode != CKM_API_SUCCESS) {
1005 if (retCode != CKM_API_ERROR_NOT_EXPORTABLE)
1008 cert = CKM::Certificate::create(certObj->getBinary(), DataFormat::FORM_DER);
1011 // read CA cert chain (optional)
1012 Crypto::GObjUPtrVector caChainObjs;
1013 retCode = readDataHelper(true, cred, DataType::DB_CHAIN_FIRST, name, explicitOwner,
1014 certPassword, caChainObjs);
1016 if (retCode != CKM_API_SUCCESS && retCode != CKM_API_ERROR_DB_ALIAS_UNKNOWN) {
1017 if (retCode != CKM_API_ERROR_NOT_EXPORTABLE)
1020 for (auto &caCertObj : caChainObjs)
1021 caChain.push_back(CKM::Certificate::create(caCertObj->getBinary(),
1022 DataFormat::FORM_DER));
1025 // if anything found, return it
1026 if (privKey || cert || caChain.size() > 0)
1027 retCode = CKM_API_SUCCESS;
1032 RawBuffer CKMLogic::getPKCS12(
1033 const Credentials &cred,
1036 const ClientId &explicitOwner,
1037 const Password &keyPassword,
1038 const Password &certPassword)
1040 int retCode = CKM_API_ERROR_UNKNOWN;
1042 PKCS12Serializable output;
1046 CertificateShPtr cert;
1047 CertificateShPtrVector caChain;
1048 retCode = getPKCS12Helper(cred, name, explicitOwner, keyPassword,
1049 certPassword, privKey, cert, caChain);
1052 if (retCode == CKM_API_SUCCESS)
1053 output = PKCS12Serializable(std::move(privKey), std::move(cert),
1054 std::move(caChain));
1055 } catch (const Exc::Exception &e) {
1056 retCode = e.error();
1057 } catch (const CKM::Exception &e) {
1058 LogError("CKM::Exception: " << e.GetMessage());
1059 retCode = CKM_API_ERROR_SERVER_ERROR;
1062 auto response = MessageBuffer::Serialize(static_cast<int>
1063 (LogicCommand::GET_PKCS12),
1067 return response.Pop();
1070 int CKMLogic::getDataListHelper(const Credentials &cred,
1071 const DataType dataType,
1072 OwnerNameVector &ownerNameVector)
1074 int retCode = CKM_API_ERROR_DB_LOCKED;
1076 if (0 < m_userDataMap.count(cred.clientUid)) {
1077 auto &database = m_userDataMap[cred.clientUid].database;
1080 OwnerNameVector tmpVector;
1082 if (dataType.isKey()) {
1083 // list all key types
1084 database.listNames(cred.client,
1086 DataType::DB_KEY_FIRST,
1087 DataType::DB_KEY_LAST);
1089 // list anything else
1090 database.listNames(cred.client,
1095 ownerNameVector.insert(ownerNameVector.end(), tmpVector.begin(),
1097 retCode = CKM_API_SUCCESS;
1098 } catch (const CKM::Exception &e) {
1099 LogError("Error: " << e.GetMessage());
1100 retCode = CKM_API_ERROR_DB_ERROR;
1101 } catch (const Exc::Exception &e) {
1102 retCode = e.error();
1109 RawBuffer CKMLogic::getDataList(
1110 const Credentials &cred,
1114 OwnerNameVector systemVector;
1115 OwnerNameVector userVector;
1116 OwnerNameVector ownerNameVector;
1118 int retCode = unlockSystemDB();
1120 if (CKM_API_SUCCESS == retCode) {
1122 if (m_accessControl.isSystemService(cred)) {
1124 retCode = getDataListHelper(Credentials(SYSTEM_DB_UID,
1129 // user - lookup system, then client DB
1130 retCode = getDataListHelper(Credentials(SYSTEM_DB_UID,
1136 if (retCode == CKM_API_SUCCESS) {
1137 retCode = getDataListHelper(cred,
1144 if (retCode == CKM_API_SUCCESS) {
1145 ownerNameVector.insert(ownerNameVector.end(), systemVector.begin(),
1146 systemVector.end());
1147 ownerNameVector.insert(ownerNameVector.end(), userVector.begin(),
1151 auto response = MessageBuffer::Serialize(static_cast<int>
1152 (LogicCommand::GET_LIST),
1155 static_cast<int>(dataType),
1157 return response.Pop();
1160 int CKMLogic::importInitialData(
1162 const Crypto::Data &data,
1163 const Crypto::EncryptionParams &encParams,
1164 const Policy &policy)
1167 if (encParams.iv.empty() != encParams.tag.empty()) {
1168 LogError("Both iv and tag must be empty or set");
1169 return CKM_API_ERROR_INPUT_PARAM;
1172 // Inital values are always imported with root credentials. Client id is not important.
1173 Credentials rootCred(0, "");
1175 auto &handler = selectDatabase(rootCred, CLIENT_ID_SYSTEM);
1177 // check if save is possible
1178 DB::Crypto::Transaction transaction(&handler.database);
1179 int retCode = checkSaveConditions(rootCred, handler, name, CLIENT_ID_SYSTEM);
1181 if (retCode != CKM_API_SUCCESS)
1184 Crypto::GStore &store =
1185 m_decider.getStore(data.type, policy, !encParams.iv.empty());
1189 if (encParams.iv.empty()) {
1190 // Data are not encrypted, let's try to verify them
1191 Crypto::Data binaryData;
1193 if (CKM_API_SUCCESS != (retCode = toBinaryData(data, binaryData)))
1196 token = store.import(binaryData,
1197 m_accessControl.isCCMode() ? "" : policy.password,
1200 token = store.import(data,
1201 m_accessControl.isCCMode() ? "" : policy.password,
1205 DB::Row row(std::move(token), name, CLIENT_ID_SYSTEM,
1206 static_cast<int>(policy.extractable));
1207 handler.crypto.encryptRow(row);
1209 handler.database.saveRow(row);
1210 transaction.commit();
1211 } catch (const Exc::Exception &e) {
1213 } catch (const CKM::Exception &e) {
1214 LogError("CKM::Exception: " << e.GetMessage());
1215 return CKM_API_ERROR_SERVER_ERROR;
1216 } catch (const std::exception &e) {
1217 LogError("Std::exception: " << e.what());
1218 return CKM_API_ERROR_SERVER_ERROR;
1221 return CKM_API_SUCCESS;
1224 int CKMLogic::saveDataHelper(
1225 const Credentials &cred,
1227 const ClientId &explicitOwner,
1228 const Crypto::Data &data,
1229 const PolicySerializable &policy)
1231 auto &handler = selectDatabase(cred, explicitOwner);
1233 // use client id if not explicitly provided
1234 const ClientId &owner = explicitOwner.empty() ? cred.client : explicitOwner;
1236 if (m_accessControl.isSystemService(cred) &&
1237 owner.compare(CLIENT_ID_SYSTEM) != 0) {
1238 LogError("System services can only use " << CLIENT_ID_SYSTEM << " as owner id") ;
1239 return CKM_API_ERROR_INPUT_PARAM;
1242 // check if save is possible
1243 DB::Crypto::Transaction transaction(&handler.database);
1244 int retCode = checkSaveConditions(cred, handler, name, owner);
1246 if (retCode != CKM_API_SUCCESS)
1250 DB::Row encryptedRow = createEncryptedRow(handler.crypto, name, owner,
1252 handler.database.saveRow(encryptedRow);
1254 transaction.commit();
1255 return CKM_API_SUCCESS;
1258 int CKMLogic::saveDataHelper(
1259 const Credentials &cred,
1261 const ClientId &explicitOwner,
1262 const PKCS12Serializable &pkcs,
1263 const PolicySerializable &keyPolicy,
1264 const PolicySerializable &certPolicy)
1266 auto &handler = selectDatabase(cred, explicitOwner);
1268 // use client id if not explicitly provided
1269 const ClientId &owner = explicitOwner.empty() ? cred.client : explicitOwner;
1271 if (m_accessControl.isSystemService(cred) &&
1272 owner.compare(CLIENT_ID_SYSTEM) != 0)
1273 return CKM_API_ERROR_INPUT_PARAM;
1275 // check if save is possible
1276 DB::Crypto::Transaction transaction(&handler.database);
1277 int retCode = checkSaveConditions(cred, handler, name, owner);
1279 if (retCode != CKM_API_SUCCESS)
1282 // extract and encrypt the data
1283 DB::RowVector encryptedRows;
1284 retCode = extractPKCS12Data(handler.crypto, name, owner, pkcs, keyPolicy,
1285 certPolicy, encryptedRows);
1287 if (retCode != CKM_API_SUCCESS)
1291 handler.database.saveRows(name, owner, encryptedRows);
1292 transaction.commit();
1294 return CKM_API_SUCCESS;
1298 int CKMLogic::createKeyAESHelper(
1299 const Credentials &cred,
1302 const ClientId &explicitOwner,
1303 const PolicySerializable &policy)
1305 auto &handler = selectDatabase(cred, explicitOwner);
1307 // use client id if not explicitly provided
1308 const ClientId &owner = explicitOwner.empty() ? cred.client : explicitOwner;
1310 if (m_accessControl.isSystemService(cred) &&
1311 owner.compare(CLIENT_ID_SYSTEM) != 0)
1312 return CKM_API_ERROR_INPUT_PARAM;
1314 // check if save is possible
1315 DB::Crypto::Transaction transaction(&handler.database);
1316 int retCode = checkSaveConditions(cred, handler, name, owner);
1318 if (retCode != CKM_API_SUCCESS)
1321 // create key in store
1322 CryptoAlgorithm keyGenAlgorithm;
1323 keyGenAlgorithm.setParam(ParamName::ALGO_TYPE, AlgoType::AES_GEN);
1324 keyGenAlgorithm.setParam(ParamName::GEN_KEY_LEN, size);
1325 Token key = m_decider.getStore(DataType::KEY_AES,
1326 policy).generateSKey(keyGenAlgorithm, policy.password);
1329 DB::Row row(std::move(key), name, owner,
1330 static_cast<int>(policy.extractable));
1331 handler.crypto.encryptRow(row);
1333 handler.database.saveRow(row);
1335 transaction.commit();
1336 return CKM_API_SUCCESS;
1339 int CKMLogic::createKeyPairHelper(
1340 const Credentials &cred,
1341 const CryptoAlgorithmSerializable &keyGenParams,
1342 const Name &namePrivate,
1343 const ClientId &explicitOwnerPrivate,
1344 const Name &namePublic,
1345 const ClientId &explicitOwnerPublic,
1346 const PolicySerializable &policyPrivate,
1347 const PolicySerializable &policyPublic)
1349 auto &handlerPriv = selectDatabase(cred, explicitOwnerPrivate);
1350 auto &handlerPub = selectDatabase(cred, explicitOwnerPublic);
1352 AlgoType keyType = AlgoType::RSA_GEN;
1354 if (!keyGenParams.getParam(ParamName::ALGO_TYPE, keyType))
1355 ThrowErr(Exc::InputParam, "Error, parameter ALGO_TYPE not found.");
1357 DataType dt(keyType);
1360 ThrowErr(Exc::InputParam, "Error, parameter ALGO_TYPE with wrong value.");
1362 if (policyPrivate.backend != policyPublic.backend)
1363 ThrowErr(Exc::InputParam, "Error, key pair must be supported with the same backend.");
1365 // use client id if not explicitly provided
1366 const ClientId &ownerPrv = explicitOwnerPrivate.empty() ? cred.client :
1367 explicitOwnerPrivate;
1369 if (m_accessControl.isSystemService(cred) &&
1370 ownerPrv.compare(CLIENT_ID_SYSTEM) != 0)
1371 return CKM_API_ERROR_INPUT_PARAM;
1373 const ClientId &ownerPub = explicitOwnerPublic.empty() ? cred.client :
1374 explicitOwnerPublic;
1376 if (m_accessControl.isSystemService(cred) &&
1377 ownerPub.compare(CLIENT_ID_SYSTEM) != 0)
1378 return CKM_API_ERROR_INPUT_PARAM;
1380 bool exportable = policyPrivate.extractable || policyPublic.extractable;
1381 Policy lessRestricted(Password(), exportable, policyPrivate.backend);
1383 TokenPair keys = m_decider.getStore(dt, lessRestricted).generateAKey(keyGenParams,
1384 policyPrivate.password,
1385 policyPublic.password);
1387 DB::Crypto::Transaction transactionPriv(&handlerPriv.database);
1388 // in case the same database is used for private and public - the second
1389 // transaction will not be executed
1390 DB::Crypto::Transaction transactionPub(&handlerPub.database);
1393 retCode = checkSaveConditions(cred, handlerPriv, namePrivate, ownerPrv);
1395 if (CKM_API_SUCCESS != retCode)
1398 retCode = checkSaveConditions(cred, handlerPub, namePublic, ownerPub);
1400 if (CKM_API_SUCCESS != retCode)
1404 DB::Row rowPrv(std::move(keys.first), namePrivate, ownerPrv,
1405 static_cast<int>(policyPrivate.extractable));
1406 handlerPriv.crypto.encryptRow(rowPrv);
1407 handlerPriv.database.saveRow(rowPrv);
1409 DB::Row rowPub(std::move(keys.second), namePublic, ownerPub,
1410 static_cast<int>(policyPublic.extractable));
1411 handlerPub.crypto.encryptRow(rowPub);
1412 handlerPub.database.saveRow(rowPub);
1414 transactionPub.commit();
1415 transactionPriv.commit();
1416 return CKM_API_SUCCESS;
1419 RawBuffer CKMLogic::createKeyPair(
1420 const Credentials &cred,
1422 const CryptoAlgorithmSerializable &keyGenParams,
1423 const Name &namePrivate,
1424 const ClientId &explicitOwnerPrivate,
1425 const Name &namePublic,
1426 const ClientId &explicitOwnerPublic,
1427 const PolicySerializable &policyPrivate,
1428 const PolicySerializable &policyPublic)
1430 int retCode = CKM_API_SUCCESS;
1433 retCode = createKeyPairHelper(
1437 explicitOwnerPrivate,
1439 explicitOwnerPublic,
1442 } catch (const Exc::Exception &e) {
1443 retCode = e.error();
1444 } catch (const CKM::Exception &e) {
1445 LogError("CKM::Exception: " << e.GetMessage());
1446 retCode = CKM_API_ERROR_SERVER_ERROR;
1449 return MessageBuffer::Serialize(static_cast<int>(LogicCommand::CREATE_KEY_PAIR),
1450 commandId, retCode).Pop();
1453 RawBuffer CKMLogic::createKeyAES(
1454 const Credentials &cred,
1458 const ClientId &explicitOwner,
1459 const PolicySerializable &policy)
1461 int retCode = CKM_API_SUCCESS;
1464 retCode = createKeyAESHelper(cred, size, name, explicitOwner, policy);
1465 } catch (const Exc::Exception &e) {
1466 retCode = e.error();
1467 } catch (std::invalid_argument &e) {
1468 LogDebug("invalid argument error: " << e.what());
1469 retCode = CKM_API_ERROR_INPUT_PARAM;
1470 } catch (const CKM::Exception &e) {
1471 LogError("CKM::Exception: " << e.GetMessage());
1472 retCode = CKM_API_ERROR_SERVER_ERROR;
1475 return MessageBuffer::Serialize(static_cast<int>(LogicCommand::CREATE_KEY_AES),
1476 commandId, retCode).Pop();
1479 int CKMLogic::readCertificateHelper(
1480 const Credentials &cred,
1481 const OwnerNameVector &ownerNameVector,
1482 CertificateImplVector &certVector)
1484 for (auto &i : ownerNameVector) {
1485 // certificates can't be protected with custom user password
1486 Crypto::GObjUPtr obj;
1488 ec = readDataHelper(true,
1490 DataType::CERTIFICATE,
1496 if (ec != CKM_API_SUCCESS)
1499 certVector.emplace_back(obj->getBinary(), DataFormat::FORM_DER);
1501 // try to read chain certificates (if present)
1502 Crypto::GObjUPtrVector caChainObjs;
1503 ec = readDataHelper(true,
1505 DataType::DB_CHAIN_FIRST,
1511 if (ec != CKM_API_SUCCESS && ec != CKM_API_ERROR_DB_ALIAS_UNKNOWN)
1514 for (auto &caCertObj : caChainObjs)
1515 certVector.emplace_back(caCertObj->getBinary(), DataFormat::FORM_DER);
1518 return CKM_API_SUCCESS;
1521 int CKMLogic::getCertificateChainHelper(
1522 const CertificateImpl &cert,
1523 const RawBufferVector &untrustedCertificates,
1524 const RawBufferVector &trustedCertificates,
1525 bool useTrustedSystemCertificates,
1526 RawBufferVector &chainRawVector)
1528 CertificateImplVector untrustedCertVector;
1529 CertificateImplVector trustedCertVector;
1530 CertificateImplVector chainVector;
1533 return CKM_API_ERROR_INPUT_PARAM;
1535 for (auto &e : untrustedCertificates) {
1536 CertificateImpl c(e, DataFormat::FORM_DER);
1539 return CKM_API_ERROR_INPUT_PARAM;
1541 untrustedCertVector.push_back(std::move(c));
1544 for (auto &e : trustedCertificates) {
1545 CertificateImpl c(e, DataFormat::FORM_DER);
1548 return CKM_API_ERROR_INPUT_PARAM;
1550 trustedCertVector.push_back(std::move(c));
1553 CertificateStore store;
1554 int retCode = store.verifyCertificate(cert,
1555 untrustedCertVector,
1557 useTrustedSystemCertificates,
1558 m_accessControl.isCCMode(),
1561 if (retCode != CKM_API_SUCCESS)
1564 for (auto &e : chainVector)
1565 chainRawVector.push_back(e.getDER());
1567 return CKM_API_SUCCESS;
1570 int CKMLogic::getCertificateChainHelper(
1571 const Credentials &cred,
1572 const CertificateImpl &cert,
1573 const OwnerNameVector &untrusted,
1574 const OwnerNameVector &trusted,
1575 bool useTrustedSystemCertificates,
1576 RawBufferVector &chainRawVector)
1578 CertificateImplVector untrustedCertVector;
1579 CertificateImplVector trustedCertVector;
1580 CertificateImplVector chainVector;
1583 return CKM_API_ERROR_INPUT_PARAM;
1585 int retCode = readCertificateHelper(cred, untrusted, untrustedCertVector);
1587 if (retCode != CKM_API_SUCCESS)
1590 retCode = readCertificateHelper(cred, trusted, trustedCertVector);
1592 if (retCode != CKM_API_SUCCESS)
1595 CertificateStore store;
1596 retCode = store.verifyCertificate(cert,
1597 untrustedCertVector,
1599 useTrustedSystemCertificates,
1600 m_accessControl.isCCMode(),
1603 if (retCode != CKM_API_SUCCESS)
1606 for (auto &i : chainVector)
1607 chainRawVector.push_back(i.getDER());
1609 return CKM_API_SUCCESS;
1612 RawBuffer CKMLogic::getCertificateChain(
1613 const Credentials & /*cred*/,
1615 const RawBuffer &certificate,
1616 const RawBufferVector &untrustedCertificates,
1617 const RawBufferVector &trustedCertificates,
1618 bool useTrustedSystemCertificates)
1620 CertificateImpl cert(certificate, DataFormat::FORM_DER);
1621 RawBufferVector chainRawVector;
1622 int retCode = CKM_API_ERROR_UNKNOWN;
1625 retCode = getCertificateChainHelper(cert,
1626 untrustedCertificates,
1627 trustedCertificates,
1628 useTrustedSystemCertificates,
1630 } catch (const Exc::Exception &e) {
1631 retCode = e.error();
1632 } catch (const std::exception &e) {
1633 LogError("STD exception " << e.what());
1634 retCode = CKM_API_ERROR_SERVER_ERROR;
1636 LogError("Unknown error.");
1639 auto response = MessageBuffer::Serialize(static_cast<int>
1640 (LogicCommand::GET_CHAIN_CERT),
1644 return response.Pop();
1647 RawBuffer CKMLogic::getCertificateChain(
1648 const Credentials &cred,
1650 const RawBuffer &certificate,
1651 const OwnerNameVector &untrustedCertificates,
1652 const OwnerNameVector &trustedCertificates,
1653 bool useTrustedSystemCertificates)
1655 int retCode = CKM_API_ERROR_UNKNOWN;
1656 CertificateImpl cert(certificate, DataFormat::FORM_DER);
1657 RawBufferVector chainRawVector;
1660 retCode = getCertificateChainHelper(cred,
1662 untrustedCertificates,
1663 trustedCertificates,
1664 useTrustedSystemCertificates,
1666 } catch (const Exc::Exception &e) {
1667 retCode = e.error();
1668 } catch (const std::exception &e) {
1669 LogError("STD exception " << e.what());
1670 retCode = CKM_API_ERROR_SERVER_ERROR;
1672 LogError("Unknown error.");
1675 auto response = MessageBuffer::Serialize(static_cast<int>
1676 (LogicCommand::GET_CHAIN_ALIAS),
1680 return response.Pop();
1683 RawBuffer CKMLogic::createSignature(
1684 const Credentials &cred,
1686 const Name &privateKeyName,
1687 const ClientId &explicitOwner,
1688 const Password &password, // password for private_key
1689 const RawBuffer &message,
1690 const CryptoAlgorithm &cryptoAlg)
1692 RawBuffer signature;
1694 int retCode = CKM_API_SUCCESS;
1697 Crypto::GObjUPtr obj;
1698 retCode = readDataHelper(false, cred, DataType::DB_KEY_FIRST, privateKeyName,
1699 explicitOwner, password, obj);
1701 if (retCode == CKM_API_SUCCESS)
1702 signature = obj->sign(cryptoAlg, message);
1703 } catch (const Exc::Exception &e) {
1704 retCode = e.error();
1705 } catch (const CKM::Exception &e) {
1706 LogError("Unknown CKM::Exception: " << e.GetMessage());
1707 retCode = CKM_API_ERROR_SERVER_ERROR;
1708 } catch (const std::exception &e) {
1709 LogError("STD exception " << e.what());
1710 retCode = CKM_API_ERROR_SERVER_ERROR;
1713 auto response = MessageBuffer::Serialize(static_cast<int>
1714 (LogicCommand::CREATE_SIGNATURE),
1718 return response.Pop();
1721 RawBuffer CKMLogic::verifySignature(
1722 const Credentials &cred,
1724 const Name &publicKeyOrCertName,
1725 const ClientId &explicitOwner,
1726 const Password &password, // password for public_key (optional)
1727 const RawBuffer &message,
1728 const RawBuffer &signature,
1729 const CryptoAlgorithm ¶ms)
1731 int retCode = CKM_API_ERROR_VERIFICATION_FAILED;
1734 // try certificate first - looking for a public key.
1735 // in case of PKCS, pub key from certificate will be found first
1736 // rather than private key from the same PKCS.
1737 Crypto::GObjUPtr obj;
1738 retCode = readDataHelper(false, cred, DataType::CERTIFICATE,
1739 publicKeyOrCertName, explicitOwner, password, obj);
1741 if (retCode == CKM_API_ERROR_DB_ALIAS_UNKNOWN)
1742 retCode = readDataHelper(false, cred, DataType::DB_KEY_FIRST,
1743 publicKeyOrCertName, explicitOwner, password, obj);
1745 if (retCode == CKM_API_SUCCESS)
1746 retCode = obj->verify(params, message, signature);
1747 } catch (const Exc::Exception &e) {
1748 retCode = e.error();
1749 } catch (const CKM::Exception &e) {
1750 LogError("Unknown CKM::Exception: " << e.GetMessage());
1751 retCode = CKM_API_ERROR_SERVER_ERROR;
1754 auto response = MessageBuffer::Serialize(static_cast<int>
1755 (LogicCommand::VERIFY_SIGNATURE),
1758 return response.Pop();
1761 int CKMLogic::setPermissionHelper(
1762 const Credentials &cred, // who's the client
1764 const ClientId &explicitOwner, // who's the owner
1765 const ClientId &accessor, // who will get the access
1766 const PermissionMask permissionMask)
1768 auto &handler = selectDatabase(cred, explicitOwner);
1770 // we don't know the client
1771 if (cred.client.empty() || !isClientValid(cred.client))
1772 return CKM_API_ERROR_INPUT_PARAM;
1774 // use client id if not explicitly provided
1775 const ClientId &owner = explicitOwner.empty() ? cred.client : explicitOwner;
1777 // verify name and owner are correct
1778 if (!isNameValid(name) || !isClientValid(owner) ||
1779 !isClientValid(accessor))
1780 return CKM_API_ERROR_INPUT_PARAM;
1782 // currently we don't support modification of owner's permissions to his own rows
1783 if (owner == accessor)
1784 return CKM_API_ERROR_INPUT_PARAM;
1786 // system database does not support write/remove permissions
1787 if ((0 == owner.compare(CLIENT_ID_SYSTEM)) &&
1788 (permissionMask & Permission::REMOVE))
1789 return CKM_API_ERROR_INPUT_PARAM;
1791 // can the client modify permissions to owner's row?
1792 int retCode = m_accessControl.canModify(cred, owner);
1794 if (retCode != CKM_API_SUCCESS)
1797 DB::Crypto::Transaction transaction(&handler.database);
1799 if (!handler.database.isNameOwnerPresent(name, owner))
1800 return CKM_API_ERROR_DB_ALIAS_UNKNOWN;
1802 // set permissions to the row owned by owner for accessor
1803 handler.database.setPermission(name, owner, accessor, permissionMask);
1804 transaction.commit();
1806 return CKM_API_SUCCESS;
1809 RawBuffer CKMLogic::setPermission(
1810 const Credentials &cred,
1814 const ClientId &explicitOwner,
1815 const ClientId &accessor,
1816 const PermissionMask permissionMask)
1821 retCode = setPermissionHelper(cred, name, explicitOwner, accessor, permissionMask);
1822 } catch (const Exc::Exception &e) {
1823 retCode = e.error();
1824 } catch (const CKM::Exception &e) {
1825 LogError("Error: " << e.GetMessage());
1826 retCode = CKM_API_ERROR_DB_ERROR;
1829 return MessageBuffer::Serialize(command, msgID, retCode).Pop();
1832 int CKMLogic::loadAppKey(UserData &handle, const ClientId &owner)
1834 if (!handle.crypto.haveKey(owner)) {
1836 auto key_optional = handle.database.getKey(owner);
1838 if (!key_optional) {
1839 LogError("No key for given owner in database");
1840 return CKM_API_ERROR_DB_ERROR;
1843 key = *key_optional;
1844 key = handle.keyProvider.getPureDEK(key);
1845 handle.crypto.pushKey(owner, key);
1848 return CKM_API_SUCCESS;